Magnetic recording medium

Details Magnetic recording medium Magnetic recording medium

1988-09-30

1991-06-18

Thibodeau, Paul J.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Including a second component containing structurally defined...

4284239, 428694, 428900, G11B 2300

Patent

active

050248855

ABSTRACT:
A magnetic recording medium is described, comprising a nonmagnetic support having thereon a magnetic layer containing ferromagnetic particles which are a hexagonal system tabular particle, and which have an axis of easy magnetization in a direction of perpendicular to the major axis of the plate and are dispersed in a binder, wherein said ferromagnetic particles have a saturation magnetization of 60 emu/g or higher, a specific surface area (BET method) of from 25 to 70 m.sup.2 /g, an average particle diameter of from 0.01 to 0.2 .mu.m, and a coercive force of from 400 to 2000 oersteds, and said biner contains a resin having at least one kind of polar group in an amount of 1.times.10.sup.-5 eq/g or more of the polar group.

REFERENCES:
patent: 4455345 (1984-06-01), Miyatuka et al.
patent: 4539129 (1985-09-01), Nagai et al.
patent: 4548801 (1985-10-01), Nagai et al.
patent: 4565726 (1986-01-01), Oguchi et al.
patent: 4600521 (1986-07-01), Nakamura et al.
patent: 4613545 (1986-09-01), Chubachi et al.
patent: 4666770 (1987-05-01), Asai et al.
patent: 4714654 (1987-12-01), Ito et al.
patent: 4743501 (1988-05-01), Eguchi et al.
patent: 4778734 (1988-10-01), Ohdan et al.
patent: 4784914 (1988-11-01), Matsufuji et al.
patent: 4801505 (1989-01-01), Ejiri et al.
patent: 4830923 (1989-05-01), Sumiya et al.

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